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SE-1200 Series Electrocardiograph Service Manual Electrocardiograph Disassembly

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①

J4-- connected to main board J3

Pin

Description

GND

DVcc+5V

3, 4

Data transmitting

PS900D Power Supply Board -- Providing Power Supply

PS900D Power Supply Board (Version 1.7 or below):

③

②

①

Summary of Contents for SE-1200 Express

Page 1: ...iewers lanxiaoyan 2020 12 22 09 12 08 Reviewers minglei 2020 12 23 15 15 45 Reviewers yangjie 2020 12 21 16 16 09 Reviewers songxiaojing 2020 12 22 15 34 19 Reviewers niexianzhong 2020 12 23 08 54 34...

Page 2: ......

Page 3: ...ced or translated into other languages Materials protected by the copyright law including but not limited to confidential information such as technical information and patent information are contained...

Page 4: ...vice personnel to repair those parts of the equipment that are designated by EDAN as repairable by service personnel Terms Used in this Manual This guide is designed to give key concepts on safety pre...

Page 5: ...7 3 2 3 PS900D Power Supply Module Description 18 3 2 4 Key Board Description 19 Chapter 4 Optional and Advanced Functions 20 4 1 Configuring a Bar Code Reader 21 4 2 Activating SCP FDA XML DICOM VCG...

Page 6: ...ions for which EDAN is not responsible may void the warranty Groupware is dismounted stretched or redebugged Unauthorized modification or misuse Damage caused by operating beyond the environmental spe...

Page 7: ...the equipment is shipped to EDAN for service including custom charges EDAN is responsible for the freight insurance custom charges from EDAN to the customer Out of Warranty After receiving the RMA fo...

Page 8: ...e parcel Please describe the returned parts as sample of and put the total value on the invoice and note on the invoice as sample no commercial value Please confirm the invoice with Edan before shipme...

Page 9: ...ECG with measurements and interpretive statements is offered to clinicians on an advisory basis only WARNING 1 This equipment is not designed for intracardiac use or direct cardiac application 2 This...

Page 10: ...t Otherwise electrical shock or other injuries may happen to the patient or operator 6 If the integrity of the external protective conductor is in doubt the equipment should be powered by an internal...

Page 11: ...P should be installed and operated with a minimum distance of 20cm between the radiator and the human body There should be no shield in or around the room where the wireless AP is used 18 Fix attentio...

Page 12: ...equirements of the valid version of the system standard IEC EN 60601 1 If in doubt consult our technical service department or your local distributor 27 Connecting any accessory such as external print...

Page 13: ...e cathode when installing the battery 4 Do not heat or splash the battery or throw it into fire or water 5 Do not destroy the battery Do not pierce battery with a sharp object such as a needle Do not...

Page 14: ...y to bring electromagnetic interference 4 Ruptured fuse must only be replaced with that of the same type and rating as the original 5 The device and accessories are to be disposed of according to loca...

Page 15: ...ng instructions 6 Equipotentiality 7 Patient cable socket 8 USB socket 9 SD card slot 10 Computer network 11 Alternating Current 12 Battery check 13 Battery recharging indicator 14 Power On Off key 15...

Page 16: ...ician 23 Disposal method 24 Refer to instruction manual booklet Background Blue Symbol White 25 General warning sign Background Yellow Symbol Outline Black 26 Non ionizing electromagnetic radiation 27...

Page 17: ...vice Manual Safety Guidance 12 31 Fragile handle with care 32 Keep dry 33 Stacking limit by number 34 Handle with care 35 Do not step on 36 Front NOTE 1 Apply to devices with wireless functions 2 The...

Page 18: ...e verification It is intended to be used by technically qualified service personnel only 3 1 Technical Specifications Safety Standards IEC 60601 1 2005 A1 2012 EN 60601 1 2006 A1 2013 IEC 60601 1 2 20...

Page 19: ...ing 25 RH 80 RH Non Condensing Atmospheric Pressure 70 kPa 106 kPa 86 kPa 106 kPa Power Supply Specifications 1 Mains Supply Operating Voltage 100V 240V Operating Frequency 50Hz 60Hz Input Current 0 9...

Page 20: ...he following functional blocks 1 PS900D power supply board 2 li ion battery 3 Main board 4 Key board 5 LCD display module 6 ECG board 7 Thermal printer module 8 WIFI module 3 2 1 Main Board Descriptio...

Page 21: ...SE 1200 Series Electrocardiograph Service Manual Overview 16 Figure 3 2 Main Board Diagram...

Page 22: ...SE 1200 Series Electrocardiograph Service Manual Overview 17 3 2 2 ECG Board Description Figure 3 3 ECG Board Diagram...

Page 23: ...ond level amplification and enter the A D sampling port of ADC 3 2 3 PS900D Power Supply Module Description Figure 3 4 PS900D Power Supply Module Diagram PS900D power supply module is shown in the abo...

Page 24: ...rd is shown in the figure below When a key is pressed down the interrupt logic of key matrix emits an interrupt signal After CPU ATmega161 detects the interrupt signal it reads the key by row scan and...

Page 25: ...on the keyboard to display the Service Password window After you enter the correct password and press Enter the Advanced Setup screen Figure 4 1 appears On the Advanced Setup screen press Tab or Shift...

Page 26: ...Barcode Setup window 2 Enter the start and end addresses the male and female codes the vendor ID and the product ID and then press Enter to confirm View the vendor ID and product ID on the PC 1 Conne...

Page 27: ...eyboard Device Properties window View the vector ID VID and the product ID PID Take the following figure for example the vector ID is 04B4 and the product ID is 0100 3 Press Esc to return to the main...

Page 28: ...Tab to move the cursor to the Activate button after the function is activated Press Enter to open the Activate Password window Enter the password and press Enter to activate the function NOTE 1 Pleas...

Page 29: ...or Remove Programs window to open the Windows Components Wizard window 3 Select Internet Information Services IIS in the Windows Components Wizard window and click on the Next button to install IIS co...

Page 30: ...ick on Default FTP Site in the pop up Internet Information Services window and then select Properties 6 Select the FTP Site tab in the Default FTP Site Properties window and set IP Address to the addr...

Page 31: ...ect the Security Accounts tab and make sure Allow Anonymous Connections is deselected 8 Select the Home Directory tab select a valid path for FTP Site Directory and then select the Read Write and Log...

Page 32: ...Optional and Advanced Functions 27 9 Click on the OK button in the Default FTP Site Properties window to save the settings 10 Right click on My Computer and select Manage 11 Right click on User and s...

Page 33: ...r name and the password and then select User cannot change password and Password never expires in the New User window 13 Click on the Create button in the New User window to save the settings 2 Config...

Page 34: ...the Default FTP Site Properties Home Directory window refer to step 8 in configuring the PC c IP Addresses Set Server IP Local IP Gateway and Subnet Mask 3 Select a file format from the File format te...

Page 35: ...Equipment Requirement Equipment Model ECG simulator FLUKE MPS450 ECG detector NMI EGC 1C 2 LCD Screen Tests Observe whether some characters are missing or there are bright spots and dark shadows on t...

Page 36: ...aph is ready for examination observe whether the items keep the changed options 6 Heart Rate Display Tests Set the heart rate output from the ECG simulator to different values and the error of heart r...

Page 37: ...chnicians authorized by the manufacturer can open it The password is 006363 1 Opening the System Test Screen When the System Setup screen is displayed press F2 on the keyboard to display the Service P...

Page 38: ...n Test or Gray Scale Test Patterns Figure 5 3 Display Window Select Pixel Verification Test and press Enter and then the Pixel Verification Test screen Figure 5 4 appears Figure 5 4 Pixel Verification...

Page 39: ...ale Test Patterns and press Enter and then the Gray Scale Test Patterns interface1 Figure 5 5 appears Figure 5 5 Gray Scale Test Patterns Interface1 Press any key to open the Gray Scale Test Patterns...

Page 40: ...key on the touch screen this key will be displayed in the blank field on the top of the screen Press Esc to exit the screen Figure 5 7 Touch Screen 4 Keyboard Test On the System Test screen press Tab...

Page 41: ...On the System Test screen press Tab or Shift Tab or the Up Down Left or Right arrow to move the cursor to the File System item and then press Enter to open the File System screen This screen displays...

Page 42: ...charged Press Esc to exit the screen Figure 5 10 Battery Screen 7 Recorder Test On the System Test screen press Tab or Shift Tab or the Up Down Left or Right arrow to move the cursor to the Recorder...

Page 43: ...UART item and then press Enter to open the UART screen On this screen pressing the PRINT STOP key can make the system send and receive characters If the character received is always the same as the ch...

Page 44: ...is suspected of malfunction the verification methods are described in this chapter 5 3 1 Main Board Test To verify the main board 1 Open the main unit following the procedures described in Chapter 6 E...

Page 45: ...erence result TP1 5V 5V 0 25V TP2 12V 12V 0 6V TP4 VDD_3V3 3 3V 0 3V TP5 1V8 1 8V 0 15V TP6 VDDCORE 1V 0 1V TP7 1V 1V 0 1V TP8 3V3 3 3V 0 3V TP9 23V 22 53V 0 5V TP10 21V 20 7V 0 5V TP12 24V 24V 3V NOT...

Page 46: ...oard Test To verify the ECG board 1 Make sure that the malfunction of ECG measurement is not caused by other defects such as defective connection inoperative electrodes or main board etc 2 Open the ma...

Page 47: ...CG board defection is confirmed Replacement of the ECG board is recommended 5 3 3 Key Board Test To verify the key board 1 Open the main unit following the procedures described in Chapter 6 Electrocar...

Page 48: ...d defection is confirmed Replacement of the key board is recommended 5 3 4 Power Supply Board Test To verify the power supply board 1 Open the main unit following the procedures described in Chapter 6...

Page 49: ...shooting WARNING Replace parts components or accessories only with parts supplied or approved by the manufacturer The use of any other parts can lead to inferior device performance and will void the p...

Page 50: ...tion Strong interference of electric networks Main board failure The plug in unit on the main board or the power supply failure Inspect the power supply and grounded system Replace the main board Repl...

Page 51: ...ust be set the same as the first three sections of the IP of the PC Replace the connection cable Replace the port Replace the U disk 4 Operation Troubles Conditions Possible Causes Actions Key failure...

Page 52: ...ition of the printing bracket Replace the reflective photosensor Replace the main board 5 Parameter Troubles Conditions Possible Causes Actions No ECG waveform Defective connection between the patient...

Page 53: ...evice etc An improperly grounded electrical device near the electrocardiograph Attach the electrodes to the patient again or clean the electrode area on body surface with alcohol Replace the ECG board...

Page 54: ...cables to separate the upper and lower units 1 Disassembly Procedures of the Upper Unit SE 1200 Disassemble the upper unit in the following sequence display screen assembly keyboard assembly indicato...

Page 55: ...bly The following figure shows SE 1200 display screen assembly and are sponge strips used to avoid direct touch between the display screen frame and the upper casing and are sponge strips used to avoi...

Page 56: ...an be dismantled from the upper casing Remove the two cross recessed pan head screws and then the inverted transformer of the display screen can be dismantled Remove the fifteen cross recessed pan hea...

Page 57: ...lastic gasket is a hexangular nut 5 Disassembly Procedures of the Lower Unit SE 1200 Express SE 1200 In the following figure is the lower unit and is a pan head screw securing the upper and the lower...

Page 58: ...SE 1200 Series Electrocardiograph Service Manual Electrocardiograph Disassembly 53...

Page 59: ...er protecting pad 3 Place a flat head screwdriver in the gap of the fuse Apply a certain amount of pressure on the screw driver to sink the fuse for about 3 mm Unscrew the fuse anticlockwise 4 Remove...

Page 60: ...h Service Manual Electrocardiograph Disassembly 55 J4 connected to main board J3 Pin Description 2 GND 5 DVcc 5V 3 4 Data transmitting 2 PS900D Power Supply Board Providing Power Supply PS900D Power S...

Page 61: ...bly 56 PS900D Power Supply Board Version 1 8 P2 connected to the transition board of the power supply P3 connected to main board J1 Pin Description 1 5 6 9 GND 2 Turn on 3 Recharging Lock 4 Turnoff de...

Page 62: ...J12 power output Pin Description 4 5 6 GND 1 12V 2 5V 6 12V 3 Recharge voltage Battery voltage 3 Key Board Input Interface SE 1200 Express Key Board J3 connected to LED indicator Pin Description 1 2...

Page 63: ...ins supply 28 Recharge voltage detecting 32 Turn on 34 LCD turnoff detecting 37 Background light switch control 38 Recharging lock 40 Background brightness control J6 connected to 8 4 inch LCD screen...

Page 64: ...Pin Description 1 Anode of backlight 2 Cathode of backlight SE 1200 Key Board J5 connected to LED indicator Pin Description 1 2 3 5 The signal of LED indicator 4 GND 6 5V J2 connected to the main boar...

Page 65: ...ctrocardiograph Disassembly 60 21 Mains supply 23 Recharge voltage detecting 18 Turn on 14 Vee 20V 24 Recharging lock 15 17 Data transmitting J8 connected to the LCD screen Pin Description 3 5V 2 GND...

Page 66: ...2 3 5 6 7 8 9 Signal port of LCD 10 12 27 29 DVcc 5V 26 Turn off by software 21 Mains supply 23 Recharge voltage detecting 18 Turn on 14 Vee 20V 24 Recharging Lock 15 17 Data transmitting J28 connect...

Page 67: ...Pin Description 1 5 6 9 GND 2 Turn on 3 Recharging Lock 4 Turnoff detecting 7 Mains supply 8 Turn off by software 10 Recharge voltage detecting J12 connected to power supply board P1 Pin Description 4...

Page 68: ...V 3 4 Data transmitting J10 connected to the reflective photosensor Pin Description 1 Cathode of light emitting diode 3 DVcc 5V 2 Paper detecting signal J1 connected to the WIFI module Pin Description...

Page 69: ...board PCBA 02 03 106862 DE12 ECG board package 01 17 32455 Thermal print head CH216 02 03 111662 SE 12 main board 02 03 111664 SE 1200 Express main board 02 03 106784 SE 1200 key board PCBA debugged...

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